-55.16% is the change from 397 to 178
Calculation steps:
[( 178 - 397 ) ÷ 397] x 100 = -55.16%
Formula
Percentage change = [(178 - 397) / 397] x 100
Subtract the new number by the original number
178 - 397 = -219
-219 ÷ 397 = -0.5516372795969773
-0.5516372795969773 x 100 = -55.16%